我正在从服务器获取一些 json 格式的数据。我有一个模型类,我从服务器获取所有数据,并将所有数据放在一个数组列表中。现在我无法在 recyclerView 中获取数据。
主要活动
public CopyOnWriteArrayList<PrisonerModel> inside1
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
recyclerViewInside = findViewById(R.id.rv);
signature_calculation_prisonerList();
new PrisonerListAsyncTask().execute(NetworkUtils.PRISONER_LIST, ctimestamp,
cnonce, cappkey, csign);
inside1 = new CopyOnWriteArrayList<>();
MyAdapter myAdapter = new MyAdapter(inside1, this, this);
recyclerViewInside.setAdapter(myAdapter);
}
模型.java 文件
public class PrisonerModel {
private String name;
private int image;
private int total_prisoner;
private int outside;
private int inside;
private String imageUri;
private String device;
public PrisonerModel() {
}
public PrisonerModel(String name, int image) {
this.name = name;
this.image = image;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getImage() {
return image;
}
public void setImage(int image) {
this.image = image;
}
public int getTotal_prisoner() {
return total_prisoner;
}
public int getOutside() {
return outside;
}
public int getInside() {
return inside;
}
public String getImageUri() {
return imageUri;
}
public String getDevice() {
return device;
}
public static PrisonerModel fromJson(JSONObject jsonObject)
{
PrisonerModel pm1 = new PrisonerModel();
MainActivity ma = new MainActivity();
try {
pm1.total_prisoner = jsonObject.getInt("total");
Log.e("total: ", String.valueOf(pm1.getTotal_prisoner()));
JSONArray jsonArray = jsonObject.getJSONArray("list");
ma.inside1 = pm1.fromJson(jsonArray);
Log.e("inside: ", String.valueOf(ma.inside1.get(0).getName()));
pm1.inside = pm1.x;
pm1.outside = pm1.getTotal_prisoner() - pm1.x;
} catch (JSONException e) {
e.printStackTrace();
return null;
}
return pm1;
}
我在这个模型类中获取 inside1 的数据,但是当我在 Main Activity 中使用 Log.e("") 时,它会抛出错误“ArrayOutOfBoundIndex”
你能帮我我在哪里做错了吗?